Base | Representation |
---|---|
bin | 11011100010100100101101… |
… | …001101000110011000011110 |
3 | 120212212020222021010121111222 |
4 | 123202210231031012120132 |
5 | 111333440133031420410 |
6 | 1105335110454413342 |
7 | 34340600050210565 |
oct | 3342445515063036 |
9 | 525766867117458 |
10 | 121123131123230 |
11 | 35659038933475 |
12 | 11702583661252 |
13 | 5277b294b3bc2 |
14 | 21ca5685d8bdc |
15 | e00a55bb7955 |
hex | 6e292d34661e |
121123131123230 has 32 divisors (see below), whose sum is σ = 220679451367200. Its totient is φ = 47858791096192.
The previous prime is 121123131123227. The next prime is 121123131123263. The reversal of 121123131123230 is 32321131321121.
It is a self number, because there is not a number n which added to its sum of digits gives 121123131123230.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363385 + ... + 16164324.
It is an arithmetic number, because the mean of its divisors is an integer number (6896232855225).
Almost surely, 2121123131123230 is an apocalyptic number.
121123131123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121123131123230 is a deficient number, since it is larger than the sum of its proper divisors (99556320243970).
121123131123230 is a wasteful number, since it uses less digits than its factorization.
121123131123230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20534908.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 121123131123230 its reverse (32321131321121), we get a palindrome (153444262444351).
The spelling of 121123131123230 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty".
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